12880252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 30965760

約数和(自身を除く): 18085508

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 31, 38, 44, 62, 71, 76, 77, 124, 133, 142, 154, 209, 217, 266, 284, 308, 341, 418, 434, 497, 532, 589, 682, 781, 836, 868, 994, 1178, 1349, 1364, 1463, 1562, 1988, 2201, 2356, 2387, 2698, 2926, 3124, 4123, 4402, 4774, 5396, 5467, 5852, 6479, 8246, 8804, 9443, 9548, 10934, 12958, 14839, 15407, 16492, 18886, 21868, 24211, 25916, 29678, 30814, 37772, 41819, 45353, 48422, 59356, 61628, 83638, 90706, 96844, 103873, 167276, 169477, 181412, 207746, 292733, 338954, 415492, 460009, 585466, 677908, 920018, 1170932, 1840036, 3220063, 6440126, 12880252]

約数ペア:

[(1, 12880252), (2, 6440126), (4, 3220063), (7, 1840036), (11, 1170932), (14, 920018), (19, 677908), (22, 585466), (28, 460009), (31, 415492), (38, 338954), (44, 292733), (62, 207746), (71, 181412), (76, 169477), (77, 167276), (124, 103873), (133, 96844), (142, 90706), (154, 83638), (209, 61628), (217, 59356), (266, 48422), (284, 45353), (308, 41819), (341, 37772), (418, 30814), (434, 29678), (497, 25916), (532, 24211), (589, 21868), (682, 18886), (781, 16492), (836, 15407), (868, 14839), (994, 12958), (1178, 10934), (1349, 9548), (1364, 9443), (1463, 8804), (1562, 8246), (1988, 6479), (2201, 5852), (2356, 5467), (2387, 5396), (2698, 4774), (2926, 4402), (3124, 4123)]